Your friend Nader is standing 400,000 meters away. If you send a message to him using radio waves, how long will it take for him to receive it? Round to four decimal places.

What has been done to make structures more seismic safe?

What did Wundt's pendulum experiment demonstrate? A) Hearing sounds can confuse people when asked what they saw. B) Watching a pendulum requires extreme focus. C) People need time to shift between two different stimuli.

Describe how your position changes as you jump over an object

Vectors are used to describe many physic concepts. Any vector is completely defined with just 2 properties. Which the following statements is true.

What is the significance of the discovery of exoplanets?

Which movies are longer than 2 hours?

A new object has been discovered in the solar system. In your own words, justify how the object can be proved to be a comet.

What is cosmic microwave background radiation?

Ocean water has a salinity of 35 parts per thousand. Fresh water has a salinity of less than 0.5 parts per thousand. What can you conclude from this information? A. Ocean water is rich in salt minerals. B.

You decide to add up all the work you did yesterday. If you accomplished 10,000 newton·meters of work yesterday, how much work did you do in units of joules?